One user says it is a ‘Florida rocket launch’, and another agrees, saying the ‘plume is from a hydrogen powered rocket engine, water vapor condenses in the high altitude forming a cloud of ice crystals reflecting light from the sun which, from this viewpoint, is below the horizon.’

Although it is not known when this footage was shot, on June 24 the Atlas V rocket was fired off from Cape Canaveral Air Force Station.

The rocket was fired into orbit loaded with a Navy satellite.

Watch the video below:

Video reportedly captured at a Miami airport shows a strange phenomenon lighting up the night sky and leaving airport workers in disbelief.

The fascinating footage shows a strange blueish light streaking across the sky.

Video reportedly captured at a Miami airport shows a strange-looking phenomenon in the sky. (Screengrab: LiveLeak)

“Check that out! Oh, it’s going to hit the tip of the plane!” one man is heard shouting.

While some viewers theorized it could be a UFO or something more sinister, others put forth more reasonable explanations.

One user says it is a ‘Florida rocket launch’, and another agrees, saying the ‘plume is from a hydrogen powered rocket engine, water vapor condenses in the high altitude forming a cloud of ice crystals reflecting light from the sun which, from this viewpoint, is below the horizon.’

Although it is not known when this footage was shot, on June 24 the Atlas V rocket was fired off from Cape Canaveral Air Force Station.